VIN 1PMS54324J1049689 — 2018 Polar Tank Trailer (POLAR MFG.)
Recorded with River Rock Logistics Llc · USDOT 4016165
Vehicle identity
| VIN | 1PMS54324J1049689 |
| Model year | 2018 |
| Make | Polar Tank Trailer (POLAR MFG.) |
| Vehicle type | SEMI-TRAILER |
| License plate | IL 990539ST (Illinois) |
| Inspection window | 2026-07-17 to 2026-08-26 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-08-26 | 1PMS54324J1049689 | IL 990539ST | RIVER ROCK LOGISTICS LLC · USDOT 4016165 |
| 2026-07-17 | 1PMS54324J1049689 | IL 990539ST | FOUR CORNERS TRANSPORT LLC · USDOT 4173159 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this vehicle
River Rock Logistics Llc Active
- USDOT
- 4016165
- MC
- 1513569
- Status
- Active
- Type
- Motor Carrier
- Based in
- Wolfforth, TX
- Power units
- 5
- Drivers
- 8
- Inspections (24 mo)
- 9
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 33.3%
Carrier recorded at the latest inspection in the available records (2026-08-26). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.This vehicle has also been operated by 1 other carrier (listed below).
What this means
1PMS54324J1049689 is a 2018 Polar Tank Trailer operated by River Rock Logistics Llc (USDOT 4016165). License plate on its inspection records: IL 990539ST. 2 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2018 Polar Tank Trailer is the vehicle NHTSA’s VIN registry returns for 1PMS54324J1049689. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2026-07-17 and 2026-08-26. Across those inspections it was never placed out of service. Its most recent inspection (2026-08-26) was in Colorado, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
This VIN appears under 2 different carriers in our records, oldest first: Four Corners Transport Llc (USDOT 4173159) on 2026-07-17 — 1 inspection, none out of service; River Rock Logistics Llc (USDOT 4016165) on 2026-08-26 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | POLAR TANK TRAILER |
| Model Year | 2018 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Manufacturer | POLAR TANK TRAILER, LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | OPOLE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MINNESOTA |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator history — 2 carriers operated this VIN
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Frequently Asked Questions
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